sanders



No. 625,205. Patented May' I6, |899. R. D. SANDERS.

APPARATUS FOR MANUFACTURING WIRE.

(Applicaxian me@ sept. e, 189s.)

(No Model.)

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ma Norms PETERS ciA vhoramwn.. wAsrqlNsTcN n c UNITED STATES PATENTOEEICE.

RICHARD DAVID SANDERS, OF EASTBOURNE, ENGLAND.

APPARATUS FOR MANUFACTURING WIRE.

SPECIFICATION forming part of Letters Patent No. 625,205, dated May 16,1899.

Application filed September 6, 1898- Serial No. 690,305. (No model.) Y

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Be it known that l, RICHARD DAVID SAN- DERS, a subject of the Queen ofGreat Britain, residing at Eastbourne,England, have invented new anduseful Improvements in Apparatus for the Manufacture of W'ire, (forwhich I have applied for a patent in Great Britain,

vNo. 17,442, dated August 12, 1898,) owhich the following is aspecication.

This invention relates to the manufacture of'wire by electrodeposition.

According to my former patents, Nos. 525,800 and 541,986 and BritishPatent No. 12,332 of 1892, I form the spiral metallic surface upon whichI deposit the metal to form the Wire by cutting a screw-thread in thesurface of a cylinder and exposing to the electrolytic action a portionof such thread,accord ing to the nature of the Wire IWish to produce.

According to my Patent No. 541,986 I obtain the metallic surface byWinding awire at the bottom of a screw-thread cut or formed in acylinder of glass or other non-conducting material.

Now according to the present invention I removably wind a round, oval,or semicircular shaped Wire upon a mandrel or cylinder constructedsubstantially as described in the specification of my British Patent No.12,382 of 1892, in lieu of the metallic surfaces therein described, sothat both the foundation-Wire and the deposited metal can be removedtogether. This arrangement has the advantage of dispensing with all thepoints and corners of the depositing-surface, which in practice I havefound to cause irregular forms of deposits and interfere with theremoval of the deposited Wire from the cylinders.

My present arragement has the further advantage of enabling a continuouscontactmaker to make contact with every turn of wire, notwithstandingthe Wire being a spiral, and Without the contact-maker having to jumpfrom turn to turn of the spiral as the cylinder revolves, which isnecessary when the foundation-wire is placed at the bottom of the deepgrooves shown in my former patents.

To enable my invention to be fully understood, I will describe the sameby reference to the accompanying drawings, in Which- Figure l is asection, and Fig. 2 is a plan, of a part of a cylinder for carrying outmy invention, showing a round foundation-Wire removably Wound upon thesurface of the cylinder. Figs. 3 and 4 are similar views to Figs. l and2, but showingthe foundation- Wire Wou nd in a shallow spiral grooveformed on the surface of the cylinder. Figs. 5 and 6 are a section and aplan, respectively, of a part of a cylinder similar to that illustratedin Figs. 3 and 4, but showing the metal deposited on the foundation-Wire. Fig. 7 is a crosssection on the line 7 7, Fig. 2; and Fig. 8 a'cross-section on the line 8 8, Fig. 6.

Similar letters in all the figures represent similar or correspondingparts.

a represents a metal cylinder covered on its outer and inner surfaces band c with vulcanite or-other suitable non-conducting material, orinstead of using a combined cylinder, as described, the cylinder may bemade of glass, y

porcelain, or like material, as described in my former patents.

d is the foundation-wire, which, as shown in Figs. 1 and 2, maybevcoiled on the surface of the cylinder or, as shown in Figs. 3 and 4,into a spiral groove c, formed in the surface of the cylinder, the uppersurface of the foun-A dation-wire in either case projecting above thesurface of the cylinder. 'y

ff represent the contact-makers, Which are shown in Figs. 2, 4, and 7 asresting upon the foundation-Wire d and in Figs. 6 and 8 upon thedeposited Wire, each contact-maker being of such a Width as to rest uponseveral coils of the foundation-wire simultaneously. These contact-makers at grest upon the conductingwire h, disposed parallel to the axisof the cylinder, and can move or be attached to the said Wire. z'represents a portion of the tank in which the cylinder Works. By thisarrange ment it will be seen that the contact-makers f make constantcontact With every turn of the Wire, notwithstanding the same beingspiral, the contact-maker not having as heretofore to jump from turn toturn of the spiral as the cylinder revolves. Any number of contact-makers maybe placed on the foundation- Wire, according to thenumber of turns on the cylinder. When the current flows from the anodeto the foundation-Wire d on the cylinder, the copper deposits aroundeach turn of the Wire d, as shown atj in Figs. 5, G, and 8, the sectionof the deposit being, as shown,

approximately that of a'half-circle, whereby the deposit increases veryrapidly on the rapidly-increasing area exposed to the electro- 4lyticaction, and the maximum effective area upon which the deposit is made inrelation to the area of the cylinder is therefore obtained and becomesgreater than the area of the surface of the cylinder itself. It will beseen by reference to Figs. 5 and 6 that the deposit has reached thelargest section the cylinder is capable of holding, and the depositedWire j is ready to be removed with the foundation-Wire d from thecylinder. The foundation-Wire can either be left in the deposited Wireor may be removed therefrom to be rewound upon the cylinder.

Although in the drawings the Wire d is represented as being of roundsection, it is to be understood that' it may be of oval or semicircularsection.

Having now particularly described and ascertained the nature of my saidinvention and in what manner the saine is to be performed, I declarethat 4What I claim isl. In an electrodepositing apparatus, the

combination with the cylinder having a nonconducting surface, of aremovable foundation-Wire Wound tightly thereon in spiral form, and aseries of contact-makers having their ends engaging saidfoundation-Wire, each contact-maker being of sufficient Width to engageseveral coils of said wire simultaneously, substantially as described.

2. In an electrodepositing apparatus, the combination With the cylinderhaving a nonconducting surface, of a removable foundation-Wire Woundtightly thereon in the form of a spiral, a conductor disposed parallelto the axis ot' said cylinder and a series of contact-makers engagingsaid conductor at one end and having their free ends engaging saidfoundation-Wire, said contact-makers each being of such a width as toengage several coils of the foundation-Wire, substantially as described.

RICHARD DAVID SANDERS.

lVitnesses:

J. GEO. CRUTTENDEN, GEO. S. HARFIELD.

